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nov 27, 1976 - 1976

Description:

A new database model called Entity-Relationship, or ER, was proposed by P. Chen this year. This model made it possible for designers to focus on data application, instead of logical table structure.

Added to timeline:

The Evolution of Databases

Byassad yaqoob
30 Oct 2018
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Date:

nov 27, 1976
Now
~ 48 years ago
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